Packs can be warmed in the microwave or cooled in the freezer. Soft, frost-free pack is gentle on skin and does not need to be wrapped in a towel. Dual Comfort CorPaks have more fill than traditional packs to retain cold and heat longer. Long-lasting, reusable and filled with nontoxic, biodegradable fill. Custom printing available on light blue side.

**Note** For cold use, freeze for 1 hour minimum before use or store in the freezer for convenience. Special heating instruction for the 3x5 packs. Heat 15 seconds on high heat, knead, and then continue heating at 5 second intervals until desired temperature is reached. Knead after each heating.